Home / 156,802.33-216,387.50-85,182.44

Finding the Fourth Proportional to 156,802.33, 216,387.50 and 85,182.44

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Solution

The fourth proportional to 156,802.33, 216,387.50 and 85,182.44 is: 117,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,802.33 : 216,387.50 = 85,182.44 : x
  2. Step 2: Convert to fraction form
    156,802.33/216,387.50 = 85,182.44/x
  3. Step 3: Cross multiply
    156,802.33x = 216,387.50 × 85,182.44
  4. Step 4: Simplify right side
    156,802.33x = 18,432,414,206.80
  5. Step 5: Solve for x
    x = 18,432,414,206.80/156,802.33
  6. Step 6: Final answer
    x = 117,551.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.